1. modified by Liz LaRosa www.middleschoolscience.com 2009, from original posted at: www.science-class.net/PowerPoints/Observation_Inference_8th.pptwww.middleschoolscience.com www.science-class.net/PowerPoints/Observation_Inference_8th.ppt Observation & Inference

2. Observations Any information collected with the senses. Quantitative – measureable or countable »3 meters long »4 marbles »50 kilograms »35 degrees Celsius Qualitative – describable, not measureable »red flowers »smells like fresh baked cookies »Tastes bitter The skill of describing scientific events

3. Inference Conclusions or deductions based on observations. The process of drawing a conclusion from given evidence. Practice: Observations: I hear people screaming I smell cotton candy, popcorn, and hamburgers I see a lot of people Inference = ?

4. Look at these two sets of animal tracks. List 3 OBSERVATIONS Make an INFERENCE

5. Now what do you think? Make 3 OBSERVATIONS Make an INFERENCE

6. Now what do you think? Make 3 OBSERVATIONS Make an INFERENCE